| Line 4... |
Line 4... |
void env_memory::event()
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void env_memory::event()
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{
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{
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int lcl_cs;
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int lcl_cs;
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int ad;
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int ad;
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|
|
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// ignore activity during reset
|
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if (!reset_n)
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return;
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if (!mreq_n && !wr_n && (addr < AM_DEPTH)) {
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if (!mreq_n && !wr_n && (addr < AM_DEPTH)) {
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ad = (int) addr;
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ad = (int) addr;
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memory[ad] = (unsigned char) wr_data.read();
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memory[ad] = (unsigned char) wr_data.read();
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#ifdef DEBUG
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#ifdef DEBUG
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printf ("Wrote %x to address %x\n", (int) wr_data.read(), ad);
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//printf ("MEM WR %04x=%02x\n", ad, (int) wr_data.read());
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#endif
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#endif
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} else if (!mreq_n && !rd_n && (addr < AM_DEPTH)) {
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}
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|
|
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// async read output
|
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if (addr < AM_DEPTH) {
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ad = (int) addr;
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ad = (int) addr;
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rd_data.write ( (unsigned int) memory[ad] );
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rd_data.write ( (unsigned int) memory[ad] );
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#ifdef DEBUG
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printf ("Read %x from address %x\n", memory[ad], ad);
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#endif
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}
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}
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}
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}
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|
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void inline readline(FILE *fh, char *buf)
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int inline readline(FILE *fh, char *buf)
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{
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{
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int c = 1;
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int c = 1, cnt = 0;
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|
|
|
if (feof(fh)) {
|
|
*buf = (char) 0;
|
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return 0;
|
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}
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while (c) {
|
while (c) {
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c = fread (buf, 1, 1, fh);
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c = fread (buf, 1, 1, fh);
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if (c && (*buf == '\n'))
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cnt++;
|
|
if (c && (*buf == '\n')) {
|
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buf++;
|
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*buf = (char) 0;
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c = 0;
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c = 0;
|
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}
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else buf++;
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else buf++;
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}
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}
|
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return cnt;
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}
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}
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|
|
/*
|
/*
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line = ifh.readline()
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line = ifh.readline()
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while (line != ''):
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while (line != ''):
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| Line 54... |
Line 66... |
void env_memory::load_ihex(char *filename)
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void env_memory::load_ihex(char *filename)
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{
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{
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FILE *fh;
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FILE *fh;
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char line[80];
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char line[80];
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char *lp;
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char *lp;
|
int rlen, addr, rtyp;
|
int rlen, addr, rtyp, databyte;
|
|
int rv;
|
|
int dcount = 0;
|
|
|
fh = fopen (filename, "r");
|
fh = fopen (filename, "r");
|
|
|
readline (fh, line);
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rv = readline (fh, line);
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while (strlen(line) > 0) {
|
while (strlen(line) > 0) {
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printf ("DEBUG: strlen(line)=%d\n", strlen(line));
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//printf ("DEBUG: strlen(line)=%d rv=%d line=%s\n", strlen(line), rv, line);
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sscanf (line, "%2x%2x%2x", &rlen, &addr, &rtyp);
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sscanf (line, ":%02x%04x%02x", &rlen, &addr, &rtyp);
|
printf ("DEBUG: rlen=%d addr=%d rtyp=%d\n", rlen, addr, rtyp);
|
//printf ("DEBUG: rlen=%d addr=%d rtyp=%d\n", rlen, addr, rtyp);
|
lp = line + 6;
|
lp = line + 9;
|
for (int c=0; c<rlen; c++) {
|
for (int c=0; c<rlen; c++) {
|
|
sscanf (lp, "%02x", &databyte);
|
|
lp += 2;
|
|
//printf ("DEBUG: loaded mem[%04x]=%02x\n", addr+c, databyte);
|
|
memory[addr+c] = databyte; dcount++;
|
}
|
}
|
|
rv = readline (fh, line);
|
}
|
}
|
|
|
fclose (fh);
|
fclose (fh);
|
|
printf ("ENVMEM : Read %d bytes from %s\n", dcount, filename);
|
}
|
}
|
|
|
No newline at end of file
|
No newline at end of file
|
